FLE-D-CFW Electric Cast Iron Wafer PTFE Butterfly Valves
FLE-D-CFW Electric Cast Iron Wafer PTFE Butterfly Valves
Fleyenda Electric Cast Iron Wafer PTFE Butterfly Valve is designed with a fluorine-based PTFE soft sealing lining that provides excellent chemical resistance and reliable leakage prevention. The tight seal between the disc and lining ensures stable performance even under high pressure. Available in sizes DN50–DN600, the valve body can be made of cast iron, CF8, CF8M, or carbon steel, with discs in cast iron or stainless steel.
| Size Range | DN50–DN600 (2″–24″) |
| Working Pressure Range: | PN10–PN16 / 150 PSI |
| Working Temperature Range: | -20°C to +180°C |
| Body Material: | Cast Iron |
| Connection Type: | Wafer Type |
| Applicable Medium: | Corrosive fluids, water, acids, alkalis, solvents, seawater |
| Actuator Type: | Electric On/Off or Modulating |
| Voltage Options | AC110V, AC220V, AC380V, DC24V |
| Design Standard | ISO 5211, MSS SP-67 |
| Testing Standard | API 598, EN 12266-1 |
| Fire-Safe Design | Optional |
| Certification | CE / ROHS / ISO / SIL / TUV /IP68 Waterproof |
| Customization | Above Are Standard Parameter Samples. If You Have Specific Parameters And Materials, We Can Customize Them All. |
| Actuator Model | Standard Time/Torque | Optional Time/Torque | Rotation Angle Range | Actuator Weight | Power Supply | Optional Control Circuit |
|---|---|---|---|---|---|---|
| FLE-105 | 25S/50Nm | 4S/20Nm 10S/30Nm | 0-90° Adjustable | 2.2kg | DC24V AC24V AC110V AC220V AC380V | A type B type C type D type E type F type |
| FLE-110 | 25S/100Nm | 15S/50Nm | 5.1kg | |||
| FLE-116 | 25S/160Nm | 15S/80Nm | 5.1kg | |||
| FLE-120 | 25S/200Nm | 15S/100Nm | 7.5kg | |||
| FLE-140 | 25S/400Nm | 15S/200Nm | 7.5kg | |||
| FLE-160 | 25S/600Nm | 15S/300Nm | 8.1kg | |||
| FLE-1100 | 50S/1000Nm | 25S/500Nm | 12.7kg | |||
| FLE-1200 | 50S/2000Nm | 25S/1000Nm | 12.7kg | |||
| Type | ON/OFF, Regulating, Intelligent | |||||
| Insulation Resistance | 100MΩ/500VDC | |||||
| Dielectric Strength | 1500V AC 1min. | |||||
| Level of Protection | IP67 (IP68 optional) | |||||
| Installed Location | 360° Installation at any Angle | |||||
| Electrical Interface | 2-G1/2 Metal Fitting, the corresponding metal cable joints should be installed according to the selected cables | |||||
| Ambient temperature | -20°C to +60°C | |||||
| Optional Explosion Proof | Ex d II BT4 / CT4 / CT6 Gb | |||||
| Power-loss reset (fail-safe) function | Fail-open, Fail-closed or No-reset (factory-selectable) | |||||
| Optional functions | Overtorque protection, dehumidification heater, passive contact switch, operating handwheel | |||||
Certified Quality for Industrial Valve Applications
Fleyenda valves and electric actuators are built for stable performance, reliable operation, and long-term industrial use. With certified quality support, they are suitable for water treatment, chemical processing, automation, and industrial process control systems.
FAQs That 80% Users Interest
1.What advantages does the Electric Cast Iron Wafer PTFE Butterfly Valve offer in corrosive chemical environments?
• PTFE lining provides strong resistance to acids, alkalis, and solvents, extending service life.
• Cast iron body ensures durability and mechanical strength under harsh operating conditions.
• Low-friction sealing delivers tight shutoff and stable torque performance.
• Ideal for automated chemical, water treatment, and industrial systems requiring corrosion control.
2.How to ensure proper installation and reliable performance of this motorized wafer butterfly valve?
• Align flanges accurately and apply the correct torque to protect the liner and disc.
• Confirm that working pressure, temperature, and media meet the valve’s rated limits.
• Choose a correctly sized electric actuator to provide sufficient torque for operation.
• Inspect the liner and actuator connections periodically to prevent downtime.
3.How does the electric actuated butterfly valve improve automation and control efficiency?
• Enables remote and automatic flow control in industrial systems.
• Supports modulating or on/off control for precise flow regulation.
• Eliminates the need for pneumatic systems, reducing air leaks and energy loss.
• Compact wafer design simplifies retrofitting and shortens installation time.
4.Why is this PTFE-lined butterfly valve suitable for high-purity or sanitary applications?
• Fluoropolymer lining provides a smooth, non-contaminating interior surface.
• Wafer configuration reduces dead zones, supporting CIP cleaning.
• Electric operation offers repeatable, precise opening and closing cycles.
• Corrosion-proof structure maintains hygienic and stable performance over time.